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一、概况自1939年Harris S首次合成维生素B_6(以下简称V-B_6)后,各国工业生产均以此为蓝本,其间经过许多化学工作者的努力,生产工艺日趋完善,故虽逾时40载,仍不失为一良好
I. Overview Since the first synthesis of vitamin B_6 (hereinafter referred to as V-B_6) by Harris S in 1939, the industrial production of all countries was modeled on this basis. After many chemical workers worked hard and the production technology became more and more perfect, Still a good one